package com.hdaccp.xingmu.noentity;

import java.util.List;

public class random {
    public String r(){
        String rr = null;
        for (int i = 0; i < 30; i++) {
            int n = 1 + (int)(Math.random() * 100000000);
            rr = "bjxq"+n;
        }
        return rr;
    }
}
